package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.constrant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.CheckItemService;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author FCJ
 * @date 2020-01-07 20:03
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;

    @Override
    public Result order(Map map) throws Exception {
        //检查当前日期是否进行了预约设置；
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(date);
        if (orderSetting == null) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //检查预约日期预约人数是否已满
        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations();//已预约人数
        if (reservations >= number) {//预约人数已满
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        //检查当前用户是否为会员，根据手机号判断
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if (member != null) {//是会员
            //判断是否已经预约，防止重复
            Integer memberId = member.getId();
            int setmealId = Integer.parseInt((String) map.get("setmealId"));
            Order order = new Order(memberId, date, null, null, setmealId);
            List<Order> list = orderDao.findByCondition(order);//????
            if (list != null && list.size() > 0) {
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }
        //可以预约，设置预约人数加一
        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        if (member == null) {
            //当前用户不是会员，需要添加到会员表
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            memberDao.add(member);
        }
//保存信息到预约列表
        Order order = new Order(member.getId(), date,
                (String) map.get("orderType"), Order.ORDERSTATUS_NO,
                Integer.parseInt((String) map.get("setmealId")));
        order.setOrderType("微信预约");
        orderDao.add(order);
        return new Result(true, MessageConstant.ORDER_SUCCESS, order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById(id);
        if (map != null) {
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate", DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
    @Override
    public PageResult pageQuery(QueryPageBean queryPageBean) {
        //根据条件，查询分页

        Integer currentPage = queryPageBean.getCurrentPage();
        Integer pageSize = queryPageBean.getPageSize();
        String queryString = queryPageBean.getQueryString();
        PageHelper.startPage(currentPage, pageSize);
        Page<Order> page = orderDao.selectByCondition(queryString);
        List<Order> rows = page.getResult();
        long total = page.getTotal();
        return new PageResult(total, rows);
    }
    //添加检查组
    @Override
    public void add(Map map, Integer[] setmealIds) throws Exception {
        String phoneNumber = (String) map.get("phoneNumber");
        Member member = memberDao.findByTelephone(phoneNumber);

        if (member==null){//不是会员，添加会员
            member=new Member();
            member.setName((String) map.get("memberName"));
            member.setPhoneNumber(phoneNumber);
            memberDao.add(member);
        }
        Order order=new Order();
        order.setMemberId(member.getId());
        order.setOrderType((String)map.get("orderType"));
        order.setOrderDate(DateUtils.parseString2Date((String) map.get("orderDate")));
        order.setOrderStatus((String)map.get("orderStatus"));
        order.setSetmealId(setmealIds[0]);
        orderDao.addOrder(order);

    }

    @Override
    public void deleteOrderById(Integer id) {
        orderDao.deleteOrderById(id);
    }

    @Override
    public void update(Map map) throws Exception {
        Order order = new Order();
        order.setSetmealId((Integer) map.get("setmeal_id"));
        order.setOrderStatus((String)map.get("orderStatus"));
        order.setMemberId((Integer) map.get("member_id"));
        order.setOrderType((String)map.get("orderType"));
        order.setId((Integer) map.get("id"));
        order.setOrderDate(DateUtils.parseString2Date((String) map.get("orderDate")));
        orderDao.update(order);
    }
}
